CN-224230766-U - Sound insulation screen with fan at air inlet

Abstract

The utility model discloses an air inlet sound-proof screen with a fan, which comprises a chassis, wherein the top of the chassis is fixedly connected with a circular ring, the top of the circular ring is fixedly connected with an air inlet grille, the top of the air inlet grille is fixedly connected with a cooling tower body, the periphery of the top of the chassis is fixedly connected with stand columns, the inner sides of the stand columns are fixedly connected with sound-proof screen components, holes are formed in the top and the bottom of the front of the sound-proof screen components, a mute fan is arranged in the holes, the sound-proof screen components comprise an orifice plate, the front of the orifice plate is fixedly connected with a steel plate, glass cloth is arranged in the orifice plate to wrap glass silk floss, and the back of the sound-proof screen components is fixedly connected with a noise-reduction paste. The cooling tower changes the phenomenon that the traditional sound insulation screen can block air inlet, and the holes and the mute fan are adopted for ventilation treatment, so that natural flow of air at the air inlet is not blocked, and unsmooth air inlet of the cooling tower is not caused.

Inventors

• CAI JIN
• Qian Ranran
• ZHANG XIAOLONG
• HU XIANGXIANG
• SUN ZHANGWEI
• CHEN HONGYU
• ZHANG WENCHANG
• HUANG YOUGEN
• JIANG JIAN
• LI WEIKE
• ZHANG JINGWEI
• LIN ZIHUA

Assignees

• 中国能源建设集团广东省电力设计研究院有限公司
• 哈尔滨城林科技股份有限公司

Dates

Publication Date

20260512

Application Date

20250509

Claims (6)

1. 1. The utility model provides an air intake area fan sound insulation screen, includes chassis (1), its characterized in that, the top fixedly connected with ring (2) of chassis (1), the top fixedly connected with air inlet grille (3) of ring (2), the top fixedly connected with cooling tower body (4) of air inlet grille (3), all fixedly connected with stand (5) all around at chassis (1) top, the inboard fixedly connected with sound insulation screen subassembly (6) of stand (5), positive top and the bottom of sound insulation screen subassembly (6) all have seted up hole (7), the inside of hole (7) is provided with silence fan (8).
2. 2. The sound-proof screen with the fan for the air inlet is characterized in that the sound-proof screen assembly (6) comprises a pore plate (9), a steel plate (10) is fixedly connected to the front face of the pore plate (9), and glass cloth wrapping glass floss (11) is arranged in the pore plate (9).
3. 3. The sound-proof screen with the fan for the air inlet according to claim 1, wherein the back surface of the sound-proof screen assembly (6) is fixedly connected with a noise-reduction patch (12), and the inside of the noise-reduction patch (12) is fixedly connected with a sound-absorbing cotton layer (13).
4. 4. The sound-proof screen with the fan for the air inlet is characterized in that a sound-proof felt layer (14) is fixedly connected to the back surface of the sound-proof cotton layer (13), and the sound-proof felt layer (14) is matched with the sound-proof cotton layer (13).
5. 5. The sound-proof screen with the fan for the air inlet is characterized in that a polyurethane board layer (15) is fixedly connected to the back surface of the sound-proof felt layer (14), and a wheat straw board layer (16) is fixedly connected to the back surface of the polyurethane board layer (15).
6. 6. The sound-proof screen with the fan for the air inlet is characterized in that a calcium silicate board layer (17) is fixedly connected to the back surface of the wheat straw board layer (16), and the calcium silicate board layer (17) is matched with the wheat straw board layer (16).

Description

Sound insulation screen with fan at air inlet Technical Field The utility model relates to the technical field of cooling towers of power plants, in particular to an air inlet sound insulation screen with a fan. Background Power plant cooling towers are important devices in power plants for heat dissipation. In the power generation process, the thermodynamic system can generate a large amount of waste heat, and if the waste heat is not timely discharged, the power generation efficiency and the equipment safety can be affected; At present, the noise reduction mode of the cooling tower is mostly that an acoustic screen is erected on the periphery of an air inlet of the cooling tower so as to absorb and reflect noise generated during the working of the cooling tower, thereby effectively reducing the noise intensity transmitted to the outside, but in the use process, due to lack of a ventilation structure, after the air inlet of the cooling tower is surrounded, the natural flow of air at the air inlet can be blocked, the air inlet of the cooling tower is easy to be unsmooth, and the cooling efficiency is influenced. Therefore, the cooling tower needs to be designed and modified, and the phenomenon that the noise of the cooling tower is overlarge and the air inlet quality is influenced is effectively prevented. Disclosure of utility model In order to solve the problems in the prior art, the utility model aims to provide the sound insulation screen with the fan at the air inlet, which has the advantages of reducing noise generated by the operation of the cooling tower and simultaneously not influencing the natural flow of air at the air inlet, and solves the problems of overlarge noise of the cooling tower and influencing the air inlet quality. The sound insulation screen with the fan for the air inlet comprises a chassis, wherein the top of the chassis is fixedly connected with a circular ring, the top of the circular ring is fixedly connected with an air inlet grille, the top of the air inlet grille is fixedly connected with a cooling tower body, the periphery of the top of the chassis is fixedly connected with stand columns, the inner sides of the stand columns are fixedly connected with sound insulation screen components, holes are formed in the top and the bottom of the front face of the sound insulation screen components, and a mute fan is arranged in each hole. As the preferred sound insulation screen component of the utility model, the sound insulation screen component comprises a pore plate, wherein the front surface of the pore plate is fixedly connected with a steel plate, and glass cloth is arranged in the pore plate to wrap glass floss. As the preferable mode of the utility model, the back of the sound insulation screen component is fixedly connected with a noise reduction patch, and the inside of the noise reduction patch is fixedly connected with a sound absorption cotton layer. Preferably, the back of the sound-absorbing cotton layer is fixedly connected with a sound-insulating felt layer, and the sound-insulating felt layer is matched with the sound-absorbing cotton layer for use. Preferably, the back of the sound insulation felt layer is fixedly connected with a polyurethane board layer, and the back of the polyurethane board layer is fixedly connected with a wheat straw board layer. Preferably, the back surface of the wheat straw board layer is fixedly connected with a calcium silicate board layer, and the calcium silicate board layer is matched with the wheat straw board layer for use. Compared with the prior art, the utility model has the following beneficial effects: 1. the cooling tower changes the phenomenon that the traditional sound insulation screen can block air inlet, and the holes and the mute fan are adopted for ventilation treatment, so that natural flow of air at the air inlet is not blocked, and unsmooth air inlet of the cooling tower is not caused. 2. According to the utility model, through the arrangement of the pore plate, the steel plate and the glass cloth wrapping the glass floss, the sound insulation effect of the sound insulation screen assembly is better, and the phenomenon of overlarge noise is avoided. 3. According to the utility model, through the arrangement of the noise reduction patch and the sound absorption cotton layer, the sound insulation treatment can be carried out together with the sound insulation screen assembly, so that the sound insulation effect is further. 4. According to the utility model, through the arrangement of the sound insulation felt layer, sound waves in the air can be effectively blocked, and the impact of objects can be effectively reduced. 5. The sound insulation board has a certain sound insulation effect through the arrangement of the polyurethane board layer and the wheat straw board layer, the closed pore structure can block the propagation of partial sound waves, the propagated sound waves are dispersed and absorbed, and the sound in